Engineering & Applied Sciences 4,307 Computer Science 3,059 Information Technology 1,292 Computer Science (Hardware & Networks) 1,248 Computer science 1,065 Historia 934 Electrical & Computer Engineering 930 Science: general issues 927 Cáncer 806 Electronic data processing 772 Telecommunications 626 Medicine 609 Computer networks 583 Congressos 540 Cancer 523 History 488 Management 485 Tumores 479 Business & Economics 477 Artificial intelligence 463 Software engineering 460 Congresos y asambleas 458 Development 457 Assaigs, conferències, etc 422 Computer software 402 Data processing 400 Human-computer interaction 397 Història 369 Computer security 367 Confesión 359